Biology: Immune, Digestive, & Nervous System Review

Question 1

This area of the brain is important in maintaining balance and hand-eye coordination.

Accepted Answer

the cerebellum

Question 2

Bile is stored and concentrated in the _______.

Accepted Answer

gall bladder

Question 3

The first class of antibodies produced is usually ____.

Accepted Answer

IgM

Question 4

The innermost layer of the eye where the photoreceptors are located is the _______.

Accepted Answer

retina

Question 5

This immunoglobulin is composed of two Y-shaped antibodies.

Accepted Answer

IgA

Question 6

Pre-ganglionic neurons of the sympathetic NS secrete ____ and post-ganglionic release ____.

Accepted Answer

acetylcholine, norepinephrine

Question 7

The ______ nervous system is divided into the sympathetic and parasympathetic.

Accepted Answer

autonomic

Question 8

The release of neurotransmitters into the synaptic cleft is caused by the influx of ______.

Accepted Answer

Ca++

Question 9

T or F? The inner gray matter of the spinal cord is made up of nerve cell bodies.

Accepted Answer

True

Question 10

True or False? The ascending colon is located on the left-hand side of the body.

Accepted Answer

False

Question 11

Gastrin stimulates the release of ______ for protein digestion in the stomach.

Accepted Answer

HCl and pepsinogen

Question 12

The olfactory bulbs are located in the ____ and are what enable us to smell.

Accepted Answer

base of the brain

Question 13

_____ acts as an insulator for nerve cells and helps to speed nerve signal transmission.

Accepted Answer

myelin

Question 14

The ________ controls voluntary and reflex movement.

Accepted Answer

somatic nervous system

Question 15

The pigmented ____ controls the size of the pupil and how much light enters the eye.

Accepted Answer

iris

Question 16

This hormone stimulates the release of HCO3 ions from the pancreas.

Accepted Answer

secretin

Question 17

The Na/K pump pushes OUT ______ and brings IN ______ with every turn.

Accepted Answer

3 Na+/ 2 K+

Question 18

Which is an antigen-presenting cell (APC)?

Accepted Answer

macrophages

Question 19

IgM antibodies are able to adhere to ______ antigens simultaneously.

Accepted Answer

10

Question 20

This enzyme found in mucous, saliva, and tears can destroy bacteria.

Accepted Answer

lysozyme

Question 21

Breathing, heart rate, and GI activity are controlled by this area of the CNS.

Accepted Answer

the medulla oblongata

Question 22

_____ acts to INCREASE blood Ca++ while _____ acts to DECREASE Ca++ in the blood.

Accepted Answer

PTH, calcitonin

Question 23

What two ions are needed to create the proper pH in the stomach for digestion to occur?

Accepted Answer

Ca++ and H+

Question 24

The ______ is known as the 'master gland'.

Accepted Answer

pituitary

Question 25

Sympathetic NS activation results in all of the following EXCEPT:

Accepted Answer

increased gut motility (better digestion)

Question 26

HIGH blood sugar stimulates the release of_____ and LOW blood sugar the release of _____.

Accepted Answer

insulin, glucagon

Question 27

The bacteria in our digestive tract... (All are correct EXCEPT...?)

Accepted Answer

are not affected by antibiotics

Question 28

Sound vibrations from the 3 ossicles is transmitted through the ______ to the inner ear.

Accepted Answer

oval window

Question 29

The membrane potential of a neuron at rest is around _______.

Accepted Answer

-70 mV

Question 30

GnRH (gonadotropin releasing hormone) causes the release of _______ from the pituitary.

Accepted Answer

LH and FSH

Question 31

Smooth muscle is found in all of the following EXCEPT______.

Accepted Answer

the heart

Question 32

Epinephrine and norepinephrine are excreted by the ______.

Accepted Answer

adrenal medulla

Question 33

The mouth performs...

Accepted Answer

both mechanical and chemical digestion

Question 34

This part of a neuron receives chemical signals from other neurons.

Accepted Answer

the dendrites

Question 35

________ is an excitatory neurotransmitter

Accepted Answer

acetylcholine

Question 36

This hormone is released to stimulate the release of bile, lipase, and amylase.

Accepted Answer

cholecystikinin (CCK)

Question 37

This hormone triggers ovulation in women and the release of testosterone in men.

Accepted Answer

Luteinizing hormone (LH)

Question 38

Sensory information enters the spinal cord_____.

Accepted Answer

dorsally

Question 39

T or F? Fats are absorbed directly through the intestinal cells into the bloodstream.

Accepted Answer

False

Question 40

The pancreas releases the hormone _____ to cause the cells to take up more glucose.

Accepted Answer

insulin

Question 41

The start of the large intestine which is populated by a large # of bacteria is called the ____

Accepted Answer

cecum

Question 42

This kind of cell can destroy cancerous and infected cells directly.

Accepted Answer

natural killer cells

Question 43

Infection of the stomach's lining by ______ is a common cause of stomach ulcers.

Accepted Answer

Helicobacter pylori

Question 44

Which immune cells release histamine?

Accepted Answer

basophils and mast cells

Question 45

Protein digestion requires...

Accepted Answer

HCl, a low pH

Biology: Immune, Digestive, & Nervous System Review

Questions 45

Biology: Immune, Digestive, & Nervous System Review

Questions 45