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Quiz

L2 Anatomy and Physiology Reproduction

Usuário eliminado 10 perguntas

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Perguntas do quiz (10)

  1. 1The testes and ovaries (AKA [blank_start]gonads[blank_end]) are primary sex organs which create sperm and eggs (AKA [blank_start]gametes[blank_end]). Secondary sex organs (essential to reproduction) in males are the [blank_start]glands, ducts[blank_end], and penis, and in females are the [blank_start]uterine tubes, uterus[blank_end], and vagina.
    1. Agonads
    2. Bgametes
    3. Cglands, ducts
    4. Duterine tubes, uterus
  2. 2Testes:
    - produce sperm cells ([blank_start]gametogenesis[blank_end])
    - secret testosterone by interstitial ([blank_start]Leydig[blank_end]) cells

    Sertoli cells:
    – extend from [blank_start]basement[blank_end] membrane to [blank_start]lumen[blank_end] in the testes
    – form blood-testis barrier, support [blank_start]developing[blank_end] sperm cells
    – produce [blank_start]fluid[blank_end] & control [blank_start]release[blank_end] of sperm into lumen
    – secrete [blank_start]inhibin[blank_end] which slows sperm production

    Scrotum:
    - Sac of loose skin, fascia & [blank_start]smooth[blank_end] muscle divided by a septum
    - Protect and maintain the temperature of the testes [blank_start]2[blank_end] degrees lower than body temperature

    Epididymus:
    - [blank_start]storage[blank_end] site of sperm cells.
    - absorbs about [blank_start]90%[blank_end] of the fluid secreted by the testis
    - sperm remain stored here for [blank_start]40-60[blank_end] days and are absorbed if not ejaculated prior to that time
    1. Agametogenesis
    2. BLeydig
    3. Cbasement
    4. Dlumen
    5. Edeveloping
    6. Ffluid
    7. Grelease
    8. Hinhibin
    9. Ismooth
    10. J2
    11. Kstorage
    12. L90%
    13. M40-60
  3. 3Semen is a mixture of secretions from epididymis, seminal vesicle, prostate, and bulbourethral gland.
    Major constituents of semen:
    • Sperm - [blank_start]acrosome[blank_end] over head are enzymes used to dissolve a path to penetrate the egg, nucleus with genes in body, tail powered by [blank_start]mitochondria[blank_end]. 50-120 million sperm/mL.
    • Fructose - energy for the sperm.
    • Clotting and anticoagulant factors - semen clots like [blank_start]blood[blank_end]. About 15-30 minutes later, anticoagulant factors dissolve the clot.
    • Prostaglandins - stimulate [blank_start]peristaltic contractions[blank_end] of the female reproductive tract that may help draw semen into the uterus
    • Spermine - is a [blank_start]base[blank_end] that reduces acidity of the female vagina, increasing the survival rate of sperm.
    1. Aacrosome
    2. Bmitochondria
    3. Cblood
    4. Dperistaltic contractions
    5. Ebase
  4. 4Ejactulation:
    • Initiated by [blank_start]sympathetic[blank_end] nerve impulses
    • The ducts and accessory glands contract, emptying their contents into the [blank_start]urethra[blank_end].
    • The urethral [blank_start]sphincters[blank_end] constrict.
    • The [blank_start]bulbospongiosus[blank_end] muscles of the penis contract rapidly and rhythmically, propelling semen from the urethra.
    1. Asympathetic
    2. Bparasympathetic
    3. Curethra
    4. Dseminal tract
    5. Esphincters
    6. Fbulbospongiosus
  5. 5Sperm is viable for 2 days (egg: 12-24 hr).
    1. AVerdadeiro
    2. BFalso
  6. 6Choose the incorrect statement.
    1. AThe hypothalamus links CNS to endocrine system.
    2. BThe hypothalamus is located just below the thalamus
      and above the brainstem.
    3. CThe pituitary is the secondary hormonal gland.
    4. DThe pituitary is located at the base of the hypothalamus in the brain.
  7. 7Hypothalamus-pituitary axes to target gonads:
    1. Hypothalamus makes [blank_start]GnRH or LHRH[blank_end] (gonadotrophins)
    2. Pituitary makes [blank_start]FSH and LH[blank_end]
    3. FSH and LH target [blank_start]gonads[blank_end]
    4. Gonads make estrogen, progesterone, or testosterone
    1. AGnRH or LHRH
    2. BFSH and LH
    3. Cgonads
  8. 8Hypothalamus-pituitary axes to target breasts:
    1. Hypothalamus makes [blank_start]PRH[blank_end]
    2. AP makes [blank_start]prolaction[blank_end]
    3. Breasts make malk
    1. APRH
    2. Bprolactin
  9. 9GRH is naturally released in a [blank_start]pulsatile[blank_end] manner.

    Clinical uses:
    • Continuous gonadotrophin-releasing hormone agonist or
    antagonist:
    - [blank_start]Reduces[blank_end] the release of FSH & LH
    - Used to treat various sex-hormone dependent [blank_start]conditions[blank_end] such as breast and prostate cancer, endometriosis

    • Pulsatile gonadotrophin-releasing hormone agonist:
    - [blank_start]Fertility[blank_end] treatment
    1. Apulsatile
    2. BFertility
    3. CReduces
    4. Dconditions
  10. 10Testosterone releases in a pulse-like manner in 1-3 hr intervals.
    1. AVerdadeiro
    2. BFalso

Informações

Descrição
O usuário eliminou as informações de disciplina Quiz sobre L2 Anatomy and Physiology Reproduction, criado por Usuário eliminado em 02-10-2019.
Autor
Usuário eliminado
Idioma
English
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