BIOL 235 FINAL EXAM AND PRACTICE EXAM QUESTIONS AND 100%CORRECT DETAILED ANSWERS (VERIFIED AND GRADED A+)

1|Page


BIOL 235 FINAL EXAM AND PRACTICE EXAM

QUESTIONS AND 100%CORRECT DETAILED

ANSWERS (VERIFIED AND GRADED A+)

Why do emotions such as anger or fear slow digestion?

A) because they stimulate the parasympathetic nerves

supplying the GI tract

B) because they stimulate the somatic nerves that supply

the GI tract

C) because they stimulate the sympathetic nerves that

supply the GI tract

D) they do not affect digestion

E) because all emotions are controlled by the vagus nerve

- ANSWER-C

,2|Page


The hard palate...(1) is the anterior portion of the roof of

the mouth, (2) is formed by the maxillae and palatine

bones, and (3) is covered by a mucous membrane.

A) 2 only

B) 1 only

C) 3 only

D) both 1 and 2

E) all of these choices - ANSWER-E




The pharynx...

A) is composed of smooth muscle

B) serves the respiratory, but not digestive system

C) is lined with a serous membrane

D) extends from the internal nares to the esophagus

,3|Page


E) all of these are correct - ANSWER-D




Deglutition...

A) occurs in voluntary, pharyngeal, and esophageal

stages

B) involves the mouth, pharynx, and esophagus

C) is controlled directly by the medulla oblongata and the

hypothalamus

D) A and B are correct

E) A, B, and C are correct - ANSWER-D




Lymph travels to the efferent lymphatic vessel from which

structure in the figure?

, 4|Page


A) A

B) B

C) C

D) D

E) E - ANSWER-D




In which part of the thymus are T cells thought to die?

A) capsule

B) trabeculae

C) epithelial cells

D) thymic (Hassall's) corpuscles

E) T cells do not die in the thymus - ANSWER-D