A&P 2 Lab Exam 3

Question 1

How are human ovum and spermatozoon similar

Answer 1

They have the same number of chromosomes

Question 2

What is spermiogenesis

Answer 2

Transformation of spermatids into spermatozoa

Question 3

Where are the testes located in fetal life

Answer 3

Abdominal cavity

Question 4

Mitochondria in mature sperm cells are located

Answer 4

In the body or middle piece of sperm

Question 5

Movement of sperm from the epidydimal duct and seminal fluid into the ejaculatory duct is called what?

Answer 5

Vas deferens

Question 6

Prostaglandins in seminal fluid do what?

Answer 6

Stimulate muscle contractions in uterus

Question 7

Newborn girls contain how many gamete producing cells

Answer 7

2 million

Question 8

What is menstruation

Answer 8

Process of woman discharging blood and other materials from the lining of the uterus, also known as period.

Question 9

When does ovulation occur

Answer 9

When there is a surge in LH and FSH

Question 10

What are the ovarian phases

Answer 10

Menstruation, the follicular phase, ovulation, and the luteal phase

Question 11

Layers of endometrium

Answer 11

The outer (superficial) compact layer, the larger middle spongy layer, and the inner basal layer.

Question 12

Which hormone controls the proliferative phase of the uterine endometrium

Answer 12

Estrogen

Question 13

Female structures that are similar to the scrotum in males are

Answer 13

Labia majora

Question 14

Cervix

Answer 14

The lower, narrow end of uterus that forms a canal between the uterus and vagina

Question 15

Vagina

Answer 15

The muscular canal that goes from the uterus to the outside of the body

Question 16

Uterus

Answer 16

The hollow, pear-shaped organ in a woman’s pelvis

Question 17

Fallopian tubes

Answer 17

One of two long, slender tubes that connect the ovaries to the uterus

Question 18

Primary sex organ of males

Answer 18

Testes

Question 19

Where does the testes originate in fetuses

Answer 19

Retropertineal space

Question 20

Source of male sex hormones

Answer 20

Interstitial cells

Question 21

Where sperm attain fertilization, competence, and motility

Answer 21

The epididymis

Question 22

Dilated sac at the end of bad deferens

Answer 22

Ampulla

Question 23

Ejaculatory duct is composed of

Answer 23

An outer muscular layer, a middle layer, and inner layer

Question 24

Function of prostate

Answer 24

Spermatogenesis

Question 25

How does the urethra pass through the penis

Answer 25

It passes through the corpora spongioson

Question 26

Hormone that initiates puberty

Answer 26

GNRH, gonadatropin releasing hormone

Question 27

Functions of testosterone

Answer 27

Increased body hair, thickening of larynx, bigger muscles, and thicker bones

Question 28

Inhibitors of testosterone production

Answer 28

Decreasing FSH, follicle-stimulating hormone

Question 29

Sperm cells fertilize what

Answer 29

Secondary oocytes

Question 30

Largest part of the uterus by weight

Answer 30

Myonetrium

Question 31

Superior, inferior portion of the uterus

Answer 31

Superior is fundus, inferior is cervix

Question 32

Hormone that stimulates secondary female sex organs

Answer 32

Estrogen

Question 33

Where is progesterone produced

Answer 33

Adrenal Cortex

Question 34

In the testes, where are sperm cells produced

Answer 34

Seminiferous tubules

Question 35

Spermicidal foams, what are they good for?

Answer 35

To stop sperm from getting to an egg

Question 36

Vasectomy

Answer 36

The surgical cutting and sealing of part of each vas deferens

Question 37

Ligation

Answer 37

The surgical procedure of closing off a blood vessel or other duct or tube in the body

Question 38

Renal medulla is composed of what kind of tissue

Answer 38

Parenchyma

Question 39

Uric acid

Answer 39

Waste product found in blood

Question 40

Urea

Answer 40

Substance formed by the breakdown of protein in the liver

Question 41

Glucose

Answer 41

Major source of energy for cells

Question 42

Creatinine

Answer 42

A compound which is produced by metabolism of creatine and excreted in the urine

Question 43

Ascending loop of Henle

Answer 43

One of the structures in the nephron of the kidney, maintains salt water balance

Question 44

Oliguria

Answer 44

The production of abnormally small amounts of urine

Question 45

Polyuria

Answer 45

Production of abnormally large volumes of dilute urine

Question 46

Dysuria

Answer 46

Painful or difficult urination

Question 47

Enuresis

Answer 47

Involuntary urination

Question 48

Glucosuria

Answer 48

Glucose in urine

Question 49

Ketones

Answer 49

A type of chemical that your liver produces when it breaks down fats

Question 50

Effects of a diuretic

Answer 50

Helps to rid your body of salt(sodium) and water

Question 51

What are kidney stones composed of

Answer 51

Calcium phosphate, uric acid, calcium oxalate

Question 52

Where are kidney stones formed in the kidney

Answer 52

At the center of kidney or renal pelvis

Question 53

Gene

Answer 53

DNA Segment

Question 54

Protein

Answer 54

Complex molecule of amino acids

Question 55

Chromosome

Answer 55

Bundle of DNA contains genes

Question 56

Angelman’s Syndrome

Answer 56

Affects nervous system, 15 chromosome deletion

Question 57

Turner syndrome

Answer 57

Missing X chromosome, females only

Question 58

Cri-du-chat syndrome

Answer 58

Chromosome 5p deletion

Question 59

Edward’s syndrome

Answer 59

Trisomy 18

Question 60

Patau syndrome

Answer 60

Trisomy 13

Question 61

Tay-Sachs Syndrome

Answer 61

Defect in gene, nerve cell destruction in brain

Question 62

Jackson-Weiss Syndrome

Answer 62

Autosomal gene trait, webbed feet

Question 63

Wolf-Hirschhorn Syndrome

Answer 63

Chromosome deletion 4p16-3

Question 64

Albinism

Answer 64

Mutation in genes that produce melanin

Question 65

Down’s Syndrome

Answer 65

Trisomy 21, there is a 3rd copy of chromosome 21