Question

In: Anatomy and Physiology

Urgent!! 1. Inhibin is released in males: when ejaculation hasn't taken place in a while Continuously...

Urgent!!

1. Inhibin is released in males:

when ejaculation hasn't taken place in a while

Continuously

After ejaculation

None of the these

2. Most tubular secretion takes place in the:

Distal convoluted tubule

Ascending Loop of Henle

Proximal convoluted tubule

Descending Loop of Henle

3. The ampulla is the site of:

oocyte release

capacitation

oocyte fertilization

implantation

4. Patients with poor GFR and renal clearance have:

osmotically dilute urine

high plasma creatinine levels

decreased tubular reabsorption

low plasma creatinine levels

5. The form of sperm that is the most able to penetrate an egg is a:

Spermatogonia

Primary spermatocyte

Spermatozoa

Spermatid

6.The primary female reproductive organ is:

The fallopian tube

The uterus

The ovary

7.Bladder infections are most likely to develop in:

the ureter

None of these

the fundus

the trigone

8. Tubular secretion of H+ usually is an indicator that:

the blood pH was too high

the urine wasn't acidic enough

the blood pH was too low

nothing - no significance

10. What is the cause of an inguinal hernia?

The one or more testis did not descend

The gubernaculum is too long

The genitalial process remained open

The testes descended incorrectly

11. Most low-dose progesterone-based birth control methods do not prevent pregnancy by:

Altering the endometrium

Slowing fallopian tube motility

Preventing ovulation

Thickening cervical mucus

12. Which of the following structures does NOT provide nourishment to developing sperm?

Seminal vesicle

Vas deferens

Epididymus

Prostate

13. Reasons that a woman may not get pregnant, even if her partner's sperm is healthy are:

no explainable medical reason

all of these

failure to ovulate

blocked fallopian tubes

Solutions

Expert Solution

1st question-

inhibin is released continuously  in males.

Explanation- inhibin plays an important role in regulation of spermatogenesis. The have a negative impact on FSH activity and stops the process of spermatogenesis. Inhibin is present all the time and controls spermatogenesis. When rate of spermatogenesis increases, the inhibin production also increases.

2nd question- proximal convulated tubules

Explanation- tubular secretion is the process by which some substances are transferred from blood to renal tubules. This process is essential for formation of urine. The maximum secretion occur in PCT. Substances like potassium, ammonia, hydrogen ions are secreted in PCT.

3rd question- oocyte fertilization

Explanation- fertilization is the process of fusion of sperm to ovum. After the intercourse, the sperm travels through the vagína and uterus to reach tha ampulla of fallopian tube and fertilization takes place here.

5th question- spermatozoa

Explanation- spermatozoa is the most mature form of sperms . The head of the spermatozoa has acrosome. The acrosome has hyaluronidase and proteolytic enzymes, which are essential for the sperms to penetrate the ova and fertilize it.


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