Final prep 2

1

The supporting cells in the central nervous system phagocytize bacterial cells and cellular debris are:

1

The supporting cells in the central nervous system that provide insulating layers of myelin around axons in the brain and spinal cord are:

1

The space between a presynaptic neuron and a postsynaptic neuron is called the , and a substance called ____ is released.

1

During depolarization ____ channels open, _ the membrane potential.

1

During repolarization, _ channels open, ___ the membrane potential.

1

Which of these statements about action potentials is FALSE?

1

Which of these fibers has the fastest nerve conduction?

1

Which of these neurotransmitters is responsible for skeletal muscle contraction?

1

Which of these neurotransmitters is responsible for pain perception?

1

Which type of nerve fibers conducts impulses to an effector organ?

1

Which of these is the innermost layer of meninges?

1

This part of the neuron is the receptive region; receiving input:

1

This part of the brain is responsible for higher brain functions such as interpreting sensory impulses and initiating voluntary muscular movements:

1

This part of the brain regulates heart rate, arterial blood pressure, body temperature, water and electrolyte balance, control of hunger and body weight, among others:

1

This part of the brain contains centers to control vital visceral activities:

1

This part of the brain is affected by anesthesia, resulting in unconsciousness:

1

This part of the brain is responsible for integrating sensory information concerning the position of body parts and for coordinating complex skeletal muscle movements:

1

The basal nuclei (basal ganglia) are responsible for:

1

The dorsal root of a spinal nerve contains:

1

The ventral root of a spinal nerve contains:

1

Which plexus innervates the muscles of the legs?

1

Which of these is NOT part of the sympathetic response?

1

Which of these is NOT part of the parasympathetic response?

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A short preganglionic fiber, a long postganglionic fiber, and the secretion of norepinephrine onto the effector organ are all characteristic of:

1

A long preganglionic fiber, a short postganglionic fiber, and the release of acetylcholine are all characteristic of:

1

Which of these hormones acts by binding to receptor molecules on the target cell and activating a second messenger system?

1

Which of these hormones is not released by the posterior pituitary gland?

1

Which hormone of the anterior pituitary causes cells to enlarge and divide more frequently?

1

Which of these statements about the posterior pituitary is FALSE?

1

Corticotropin-releasing hormone (CRH) causes:

1

ADH acts on the _______________ to reabsorb water.

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Which hormone(s) does the adrenal medulla secrete?

1

What is the function of aldosterone?

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Which of these is NOT a function of cortisol?

1

Which of these is NOT a function of insulin?

1

The pineal gland secretes:

1

Which of these is NOT a response to stress?

1

Most of the formed elements in a blood sample are:

1

A deficiency in red blood cells or a reduction in the amount of hemoglobin results in a condition called:

1

You just landed in Colorado. You feel a little dizzy because of the higher altitude and lower pressure of oxygen in the atmosphere. Which hormone will your kidneys release?

1

This plasma protein isn't used as fuel, but it's used to maintain the osmotic pressure of plasma:

1

Which of these is NOT contained in plasma?

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You go to the doctor because you've been sick the past week. The doctor orders a differential white blood cell count. What does this test tell you?

1

A type B person receives type A blood, what happens?

1

A type AB person can receive:

1

A type O person can receive:

1

An Rh- negative woman conceives an Rh- negative fetus, what happens?

1

The thick middle layer of the heart that consists of cardiac muscle tissue is the:

1

The heart valve between the right atrium and right ventricle is the:

1

The right ventricle ejects blood into the:

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The left ventricle ejects blood into the:

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Blood returning to the right atrium comes from:

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Systole refers to:

1

Diastole refers to:

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The pacemaker of the heart is the:

1

Increased parasympathetic innervation of the heart results in:

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Which of these statements about arteries is false?

1

Which of these statements about veins is FALSE?

1

In which vessel does gas exchange occur?

1

Where is blood pressure the highest?

1

If heart rate increases, what happens to blood pressure?

1

The volume of blood ejected from the left ventricle per minute is called:

1

If blood volume decreases, what happens to blood pressure?

1

A person with high blood pressure would most likely be prescribed a(an):

1

During exercise, which of the following occurs?

1

The blood vessels that carry blood from the heart to the lungs and back to the heart make up the:

1

Which of these structures is not part of the alimentary canal?

1

Which layer of the alimentary canal is responsible for lubricating the tube's outer surface so that organs within the abdominal cavity can slide freely against one another?

1

Propelling movements in a wavelike motion is called:

1

Serous cells in salivary glands:

1

Parietal cells in the stomach release:

1

What is the function of pepsin?

1

Mucous cells in the stomach provide an _____________ layer to protect the stomach.

1

Which hormone is responsible for decreasing the secretory activity of gastric glands and inhibits gastric motility?

1

Which hormone causes the pancreas to secrete a fluid high in bicarbonate ion concentration?

1

Which hormone stimulates the gallbladder to contract and release bile?

1

Which hormone stimulates the pancreas to secrete fluid with high digestive enzyme concentration?

1

How are gastric secretions regulated?

1

Which of these substances is absorbed in the stomach?

1

_ cells synthesize bile, which is needed for ______.

1

Proteins and fats in the duodenum stimulate the release of the hormone __, which causes the contraction of the .

1

Emulsification allows these enzymes to function properly:

1

Which of these is NOT a function of the small intestine?

1

Which of these sugars will be absorbed into a villus?

1

These nutrients must enter lacteals before joining the general circulation:

1

The lipoprotein with the highest concentration of protein and lowest concentration of lipids, and removes cholesterol from tissues is:

1

The lipoprotein that transports triglycerides synthesized from excess dietary carbohydrate is:

1

Which of these is NOT a function of the large intestine?

1

Proteins from food must be _____________ before they can be used as energy sources.

1

Ketone bodies are a result of:

1

Which of these respiratory structures is involved in gas exchange?

1

Inspiration occurs because:

1

Which muscles are used for inspiration?

1

Which muscles are used for passive expiration?

1

The volume of air that enters or leaves a single respiratory cycle is the:

1

Central chemoreceptors are most sensitive to changes in levels of:

1

Peripheral chemoreceptors are most sensitive to changes in blood levels of:

1

Most oxygen in the body is transported:

1

Most carbon dioxide in the body is transported:

1

Where does the following reaction occur?

H+ + HCO3- ---> H2CO3 ----> CO2 + H2O

1

Choose the correct pathway of urine formation:

1

Where does filtration occur in the nephron?

1

Where does most reabsorption of substances occur in the nephron?

1

Where does secretion occur in the nephron?

1

The _________________ regulates how concentrated urine will be.

1

A decrease in salt concentration will cause the juxtaglomerular cells to secrete the enzyme __________.

1

Which of these is a result of angiotensin II?

1

Constricting the efferent arteriole causes:

1

Which of the following does NOT occur during micturition?

1

Which of these ions is found in greater concentration in the extracellular fluid?

1

An example of transcellular fluid is:

1

Your blood is becoming too acidic, which of the following does NOT occur to regain homeostasis?

1

Which of these is a second line of defense against a pH shift?

1

Which of these causes respiratory acidosis?

1

test questions from tests 3 & 4

Final prep 2

The supporting cells in the central nervous system phagocytize bacterial cells and cellular debris are:

The supporting cells in the central nervous system that provide insulating layers of myelin around axons in the brain and spinal cord are:

The space between a presynaptic neuron and a postsynaptic neuron is called the __________, and a substance called ______________ is released.

During depolarization ____________ channels open, _________ the membrane potential.

During repolarization, _________________ channels open, ___________________ the membrane potential.

Which of these statements about action potentials is FALSE?

Which of these fibers has the fastest nerve conduction?

Which of these neurotransmitters is responsible for skeletal muscle contraction?

Which of these neurotransmitters is responsible for pain perception?

Which type of nerve fibers conducts impulses to an effector organ?

Which of these is the innermost layer of meninges?

This part of the neuron is the receptive region; receiving input:

This part of the brain is responsible for higher brain functions such as interpreting sensory impulses and initiating voluntary muscular movements:

This part of the brain regulates heart rate, arterial blood pressure, body temperature, water and electrolyte balance, control of hunger and body weight, among others:

This part of the brain contains centers to control vital visceral activities:

This part of the brain is affected by anesthesia, resulting in unconsciousness:

This part of the brain is responsible for integrating sensory information concerning the position of body parts and for coordinating complex skeletal muscle movements:

The basal nuclei (basal ganglia) are responsible for:

The dorsal root of a spinal nerve contains:

The ventral root of a spinal nerve contains:

The space between a presynaptic neuron and a postsynaptic neuron is called the , and a substance called ____ is released.

During depolarization ____ channels open, _ the membrane potential.

During repolarization, _ channels open, ___ the membrane potential.