Lab Practicum 3

Question 1

The essential organs of reproduction are called the…

Answer 1

Gonads

Question 2

What are the primary reproductive organs of the male?

Answer 2

Testes

Question 3

What do the testes produce?

Answer 3

Sperm and male sex hormones

Question 4

What is the approximate temperature inside the scrotum?

Answer 4

94 degrees Fahrenheit

Question 5

What forms the duct system in the male reproductive system?

Answer 5

Epididymis, ductus deferens, the ejaculatory duct, and the urethra

Question 6

Where do sperm mature?

Answer 6

Epididymis

Question 7

The spermatic cord encloses what structures?

Answer 7

Ductus deferens, blood vessels, nerves

Question 8

The ampulla empties into the…

Answer 8

Ejaculatory duct

Question 9

What are considered the accessory glands of the male reproductive system?

Answer 9

Seminal glands, bulbo-urethral glands

Question 10

The accessory glands produce what?

Answer 10

Seminal fluid

Question 11

Why is seminal fluid alkaline?

Answer 11

Buffers the sperm against the acidity of the vagina

Question 12

An increased number of cells results in an enlarged prostate

Answer 12

Benign prostatic hyperplasia

Question 13

Each testis is covered by a dense connective tissue capsule called what?

Answer 13

Tunica albuginea

Question 14

The interstitial endocrine cells produce what?

Answer 14

Testosterone

Question 15

Each lobe of the testis contains 1 to 4…

Answer 15

Seminiferous tubules

Question 16

Where are sperm formed?

Answer 16

Seminiferous tubules

Question 17

A fertilized egg is implanted in the… which houses the embryo or fetus during it’s development

Answer 17

Uterus

Question 18

When a fertilized egg implants in the uterine tube, it leads to an…

Answer 18

Ectopic pregnancy

Question 19

What is sloughed off during menstruation?

Answer 19

Functional layer of the endometrium

Question 20

The distal ends of the tubes are funnel-shaped and have fingerlike projections called

Answer 20

Fimbriae

Question 21

How long are the fallopian tubes?

Answer 21

10 cm

Question 22

The internal female organs are all considered what except for the ovaries?

Answer 22

Retroperitoneal

Question 23

Once the egg is ejected from the ovary, the ruptured follicle is converted to what?

Answer 23

Corpus luteum

Question 24

What does the corpus luteum secrete?

Answer 24

Progesterone and some estrogens

Question 25

Where is the most desirable site for fertilization?

Answer 25

Uterine tube

Question 26

Each mammary gland consists of how many lobes?

Answer 26

15-25

Question 27

What specifically produces milk during lactation?

Answer 27

Alveoli

Question 28

What is the storage chamber for milk?

Answer 28

Lactiferous sinus

Question 29

What do chief cells produce?

Answer 29

Pepsinogen

Question 30

What do parietal cells secrete?

Answer 30

HCl

Question 31

What part of the stomach does most of the digestive activity occur in?

Answer 31

Pyloric region

Question 32

The small intestine joins the large intestine at the...

Answer 32

Ileocecal valve

Question 33

Hydrolytic enzymes bound to the microvilli of the columnar epithelial cells

Answer 33

Brush border enzymes

Question 34

Where is bile formed?

Answer 34

Liver

Question 35

Where does nearly all nutrient absorption occur?

Answer 35

Small intestine

Question 36

What three structural modifications increase the absorptive surface of the mucosa?

Answer 36

The microvilli, villi, circular folds

Question 37

How long is the jejunum?

Answer 37

2.5 m

Question 38

How long is the ileum?

Answer 38

3.6 m

Question 39

How long is the large intestine?

Answer 39

1.5 m/ 5 ft

Question 40

Small pocket-like sacs of the large intestine

Answer 40

Haustra

Question 41

What is the major function of the large intestine?

Answer 41

Consolidate and propel unusable fecal matter toward the anus and eliminate it from the body

Question 42

What are the two other functions of the large intestine?

Answer 42

1. Provides a site where intestinal bacteria manufacture vitamins B and K 2. Reclaims most of the remaining water from indigested food

Question 43

Specialized cells in the outer margins of the pulp cavity that produce dentin

Answer 43

Odontoblasts

Question 44

A food mass is referred to as a...

Answer 44

Bolus

Question 45

What enzyme begins the digestion of starch?

Answer 45

Salivary amylase

Question 46

Parotid gland secretion is mainly...

Answer 46

Serous

Question 47

The submandibular gland secretes what?

Answer 47

Both mucin and serous

Question 48

The sublingual gland produces mostly....

Answer 48

Mucin

Question 49

The liver is suspended from the diaphragm by the...

Answer 49

Falciform ligament

Question 50

What is the function of bile?

Answer 50

To emulsify fat

Question 51

Where is bile stored?

Answer 51

Gallbladder

Question 52

A condition in which the liver is severely damaged and becomes hard and fibrous

Answer 52

Cirrhosis

Question 53

What are the structural and functional units of the liver?

Answer 53

Lobules

Question 54

What makes up the portal triad?

Answer 54

Portal arteriole (functional blood supply of liver), portal venule, and bile duct

Question 55

Bile is made by...

Answer 55

Hepatocytes

Question 56

Tiny canals which run between adjacent cells toward the bile duct branches in the triad regions

Answer 56

Bile canaliculi

Question 57

What does the pancreas produce?

Answer 57

Insulin and glucagon

Question 58

What are the gastric glands?

Answer 58

Chief cells and parietal cells

Question 59

Produces mucus; found in the submucosa of the small intestine

Answer 59

Duodenal glands

Question 60

Produces a product containing amylase that begins starch breakdown in the mouth

Answer 60

Salivary glands

Question 61

Produces many enzymes and an alkaline fluid that is secreted into the duodenum

Answer 61

Pancreas

Question 62

Produces bile that it secretes into the duodenum via the bile duct

Answer 62

Liver

Question 63

Produces HCl and pepsinogen

Answer 63

Gastric glands

Question 64

Found in the mucosa of the small intestine; produces intestinal juice

Answer 64

Intestinal crypts