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Exam 4 Finals Prep
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Preguntas del test (50)
1The daily birth control pill that women can take to prevent pregnancy acts at which step?
- A2
- B4
- C5
- D7
- E8
2Which of the following contraceptive methods also prevents the spread of STIs?
- ACondoms
- BVasectomy
- CIUD
- DSpermicide
- EThe morning after pill
3 A man can be infected with HPV and not realize he is spreading the disease through unprotected sexual contact.
- ATrue
- BFalse
4 Condoms, both male and female, act at which steps?
- A1 and 2
- B3 and 4
- C5 and 6
- D7 and 8
5Of the lots of sperm typically present in semen, roughly how many sperm reach the oocyte?
- A20 million
- B2 million
- C200,000
- D200
6Fertilization typically takes place in which part of the female reproductive tract?
- AVagina
- BCervix
- CUterus
- DFallopian tube/oviduct
- EOvary
7The sperm carry enzymes to digest through the jelly-like substance surrounding the oocyte. These enzymes are stored in the part of the sperm called the
- Aacrosome
- Bnucleus
- Cflagella
- Dmitochondria
8The letter A in the image is pointing to a jelly-like substance, the Zona Pellucida. The main purpose of the zona pellucida is to provide
- Anourishment for the developing embryo
- Benergy for the sperm
- Clubrication for oocyte passage through the uterus
- Dblock to polyspermy
9A 38-year old woman just got pregnant! Congratulations!! For how long was the fertilized oocyte arrested in meiosis?
- Aabout a day
- B1 week
- C3 weeks
- Dover 38 years
10Which number is pointing to the cervix?
- A1
- B2
- C3
- D4
- E5
11The environment of the vagina leads to biochemical changes in the sperm that are required before the sperm can fertilize an oocyte. What is this called?
- ACapacitation
- BIVF
- CEmbryizing the sperm
- DImplantation
12How many oocytes does a woman ovulate during a typical month?
- A1
- B3
- C30
- D300
13Which number is pointing to the place in the female reproductive that oocytes are produced and ovulated
- A1
- B2
- C3
- D4
- E5
14Which number is pointing to the vagina, where sperm enter a woman’s body during female/male sexual intercourse
- A1
- B2
- C3
- D4
- E5
15If fertilization occurs, what embryo-produced hormone prevents the corpus luteum from breaking down?
- ALH
- BFSH
- ChCG
- DEstrogen
- EProgesterone
16Roughly how long after fertilization does the embryo implant?
- ALess than 1 day
- B2-4 days
- C5-6 days
- D7-9 days
- E10-12 days
17An IUD is a type of birth control that typically keeps sperm and oocytes apart. IUDs can also prevent implantation of fertilized oocytes. IUDs are inserted into a woman’s body in what location?
- AOvaries
- BUterus
- CArm
- DBrain
18If an oocyte is fertilized by two different sperm, could that fertilized oocyte form a viable human being?
- AYes
- BNo
19Scientists can make stem cells from just about any cell in your body.
- ATrue
- BFalse
20Select the animal that has NOT be successfully cloned yet.
- AA monkey
- BA human
- CA cat
- DA dog
- EA sheep
21 “Designer babies” made by fertilizing multiple oocytes and implanting only
desired zygotes is currently happening in the United States.- ATrue
- BFalse
22“Designer babies” made by editing gametes prior to fertilization is currently happening in the United States.
- ATrue
- BFalse
23Select the answer that lists the steps of IVF in the correct order, from first to last.
- AOocyte retrieval, embryo transfer, fertilization
- BFertilization, oocyte retrieval, embryo transfer
- CEmbryo transfer, oocyte retrieval, fertilization
- DOocyte retrieval, fertilization, embryo transfer
24Doctors often take cells from an IVF embryo prior to implantation to screen the embryo for genetic abnormalities. This is called Pre-implantation Genetic Screening (PGS). What is one benefit of PGS?
- APGS lowers the number of embryos that need to be implanted to result in a viable pregnancy.
- BPGS decreases the amount of time one round of IVF requires.
- CPGS decreases cost of IVF.
- DPGC lowers the about of sperm needed for IVF.
25An animal that reproduces via segmentation, like
Planaria, will be genetically identical to all its offspring.
- ATrue
- BFalse
26What is an advantage of an animal reproducing via segmentation, like Planaria?
- AIncreasing environmental niche utilization
- BMore genetic variation in the population
- CMore rapid population growth
- DLess impact on mothers
27How many different chromosomes are present in every human cell?
- A4
- B10
- C23
- D35
28Human beings have two different sex chromosomes, the X and the Y chromosome.
Typically, male humans contain which combination of sex chromosomes?- AXX
- BXY
- CYY
- DXXY
29Do the two chromatids of this chromosome contain the exact same DNA sequence?
- ANo
- BYes
30If a surgeon isolated sperm directly from a man’s testicle and place that sperm in a dish with an oocyte, would that sperm be able to swim to the oocyte and fertilize it?
- AYes
- BNo
31The testicle is where sperm are made. Which
number on the figure it pointing to the testicle?
- A1
- B3
- C4
- D5
- E6
32An adult man produces how many sperm in a month?
- Aabout 1,000
- Babout 1 million
- Cabout 1 billion
- Ddepends on sexual activity
33Before they are ejaculated, sperm are stored in the epididymis. Which number on the figure it pointing to the epididymis?
- A1
- B3
- C4
- D5
- E6
34If a male gets a vasectomy to avoid impregnating anyone, this part of his reproductive system will be cut.
- A1
- B3
- C4
- D5
35The decline of which two hormones leads to
menstruation each month?
- AProgesterone and Estrogen
- BLH and FSH
36Which two hormones are also made in made in the
brains of men and perform analogous functions in the
male reproductive system?- AProgesterone and Estrogen
- BLH and FSH
37Which hormone is most responsible for stimulating the
follicle before it is ovulated?- AFSH
- BLH
- CEstrogen
- DProgesterone
38Based on how long sperm can live inside a woman’s body, unprotected sex on which day of the cycle is most likely to result in a pregnancy?
- ADay 3
- BDay 11
- CDay 19
- DDay 28
39 In this image, around what day is ovulation taking place?
- ADay 3
- BDay 13
- CDay 21
- DDay 28
40 During which trimester does the fetus develop the most body fat?
- AFirst trimester
- BSecond trimester
- CThird trimester
41Scientists believe that there are no negative consequences from the fetal cells that remain in a mother’s body years after birth.
- ATrue
- BFalse
42During pregnancy, cells can cross the placenta and live inside a different body. Which way does this cellular exchange take place?
- ABaby to mother only
- BMother to baby only
- CBoth mother to baby and baby to mother
43At the end of the first trimester the corpus luteum disintegrates. What tissue takes over producing the hormones needed to maintain pregnancy when the corpus luteum disintegrates?
- AThe vagina
- BThe uterus
- CThe placenta
- DThe ovaries
- EThe testicles
44At the end of the second trimester (6 months), how much does the average fetus weigh?
- A1 ounce
- B8 ounces (half a pound)
- C1.75 pounds
- D4 pounds
- E10 pounds
45At the end of the first trimester (3 months), how much does the average fetus weigh?
- A1 ounce
- B8 ounces (half a pound)
- C1.75 pounds
- D4 pounds
- E10 pounds
46Implantation typically takes place in which part of the female reproductive tract?
- AVagina
- BCervix
- CUterus
- DFallopian tube/oviduct
- EOvary
47 What would happen if the embryo doesn’t produce enough hormones upon implantation?
- AThe ovary will continue to produce estrogen and progesterone and pregnancy will continue
- BThe woman will have her period like a mensural cycle that didn’t contain a blastocyst
- CThe blastocyst will not form a normal placenta, but otherwise the pregnancy will be normal and a live birth will
result - DThe pregnant woman may ovulate and become pregnant with fraternal twins.
48 50% of the time an oocyte is fertilized the result is a live birth of a child.
- ATrue
- BFalse
49The embryonic cells that cross over in a mother’s body may be beneficial in which of the following ways?
- AMilk production
- BIncreased body temperature
- CLong-term cognitive benefits
- DIncreased bonding with the baby
- EAll of the above are true
50When you encounter a pregnant woman, you should be nice to her during the
- Afirst trimester
- Bsecond trimester
- Cthird trimester
- DTrick question! You should never assume someone is pregnant, seriously, this is the answer. Don’t assume and ask “how far along are you?” or something like that. You’ll get it right most of the time, but you’ll get it wrong once, and that sucks. So just be nice to everyone.
Información
- Descripción
- Science Test sobre Exam 4 Finals Prep, creado por Bobby Mitchell el 08/05/2018.
- Autor
- Bobby Mitchell
- Idioma
- English
- Visitas
- 6
- Historial
- Creado el 8 may 2018 · actualizado el 9 may 2018
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