GCU BIO 181 FINAL (EXAM 4) ANATOMY AND PHYSIOLOGY
|140 QUESTION & ANSWERS
1. Describe the role of the muscularis externa in the digestive system.
The muscularis externa is responsible for the peristaltic
movements that propel food through the digestive tract.
The muscularis externa forms a protective outer layer of the
digestive tract.
The muscularis externa absorbs nutrients from digested food.
The muscularis externa secretes digestive enzymes into the lumen.
2. What is one of the primary functions of the vagina?
Passageway for elimination of menstrual fluids
Storage of sperm
Production of hormones
Site of fertilization
3. Describe how the stomach contributes to the digestive process.
The stomach stores food until it is ready to be excreted.
The stomach produces bile to emulsify fats before digestion.
The stomach disrupts chemical bonds in food material using
acid and enzymes, aiding in digestion.
The stomach absorbs nutrients directly into the bloodstream after
digestion.
,4. If a blockage occurs in the ascending colon, what effect would this have
on the movement of stool from the cecum?
It would cause stool to move counterclockwise from the cecum.
, It would speed up the movement of stool from the cecum.
It would have no effect on stool movement.
It would impede the clockwise movement of stool from the
cecum.
5. The penis consists of three spongy masses of erectile tissue, identify the
one that contains the urethra.
glans penis
corpus spongiosum
corpora cavernosa
membranous portion
6. If a patient has a condition that impairs the production of intrinsic factor,
what nutritional deficiency might they develop, and why?
Iron deficiency
Vitamin C deficiency
Calcium deficiency
Vitamin B12 deficiency
7. What anatomical feature of the vagina allows it to expand during
childbirth?
Mucosa
Cervix
Rugae
Muscle layers
8. Describe the significance of the chorion in embryonic development.
, The chorion is responsible for the development of the nervous
system.
The chorion is crucial as it initiates the formation of the
functional placenta, which is essential for nutrient exchange.
The chorion aids in the formation of the digestive tract.
The chorion protects the embryo from physical damage.
9. Describe the anatomical significance of the falciform ligament in relation
to the liver.
The falciform ligament is a major blood vessel supplying the liver.
The falciform ligament is primarily involved in digestion.
The falciform ligament connects the liver to the anterior
abdominal wall and diaphragm, providing support and structure.
The falciform ligament is responsible for urine storage.
10. Describe the role of accessory organs in the male reproductive system.
Accessory organs produce sperm directly in the testes.
Accessory organs are responsible for the fertilization of the egg.
Accessory organs secrete fluids that aid in the transport and
nourishment of sperm during ejaculation.
Accessory organs filter waste from the blood.
11. On the tip of the head is the _____
Acrosome
Sperm cells
Germ cells
Scrotum
|140 QUESTION & ANSWERS
1. Describe the role of the muscularis externa in the digestive system.
The muscularis externa is responsible for the peristaltic
movements that propel food through the digestive tract.
The muscularis externa forms a protective outer layer of the
digestive tract.
The muscularis externa absorbs nutrients from digested food.
The muscularis externa secretes digestive enzymes into the lumen.
2. What is one of the primary functions of the vagina?
Passageway for elimination of menstrual fluids
Storage of sperm
Production of hormones
Site of fertilization
3. Describe how the stomach contributes to the digestive process.
The stomach stores food until it is ready to be excreted.
The stomach produces bile to emulsify fats before digestion.
The stomach disrupts chemical bonds in food material using
acid and enzymes, aiding in digestion.
The stomach absorbs nutrients directly into the bloodstream after
digestion.
,4. If a blockage occurs in the ascending colon, what effect would this have
on the movement of stool from the cecum?
It would cause stool to move counterclockwise from the cecum.
, It would speed up the movement of stool from the cecum.
It would have no effect on stool movement.
It would impede the clockwise movement of stool from the
cecum.
5. The penis consists of three spongy masses of erectile tissue, identify the
one that contains the urethra.
glans penis
corpus spongiosum
corpora cavernosa
membranous portion
6. If a patient has a condition that impairs the production of intrinsic factor,
what nutritional deficiency might they develop, and why?
Iron deficiency
Vitamin C deficiency
Calcium deficiency
Vitamin B12 deficiency
7. What anatomical feature of the vagina allows it to expand during
childbirth?
Mucosa
Cervix
Rugae
Muscle layers
8. Describe the significance of the chorion in embryonic development.
, The chorion is responsible for the development of the nervous
system.
The chorion is crucial as it initiates the formation of the
functional placenta, which is essential for nutrient exchange.
The chorion aids in the formation of the digestive tract.
The chorion protects the embryo from physical damage.
9. Describe the anatomical significance of the falciform ligament in relation
to the liver.
The falciform ligament is a major blood vessel supplying the liver.
The falciform ligament is primarily involved in digestion.
The falciform ligament connects the liver to the anterior
abdominal wall and diaphragm, providing support and structure.
The falciform ligament is responsible for urine storage.
10. Describe the role of accessory organs in the male reproductive system.
Accessory organs produce sperm directly in the testes.
Accessory organs are responsible for the fertilization of the egg.
Accessory organs secrete fluids that aid in the transport and
nourishment of sperm during ejaculation.
Accessory organs filter waste from the blood.
11. On the tip of the head is the _____
Acrosome
Sperm cells
Germ cells
Scrotum
