study guide page 8

Question 1

Related to the different types of muscle fibers, the type I is characterized by fast glycolytic speed of contraction; the type IIA for slow oxidative activity, and Type IIB/IIX for a oxidative and glycolytic activity.

Answer 1

F

Question 2

A channel reversibly binds with a molecule to move them across the membrane intact.

Answer 2

F

Question 3

Peristalsis occurs from the esophagus to the end of the large intestine

Answer 3

T

Question 4

Physiological means of thermoregulation such as vasoconstriction and vasodilation happen to regulate the body temperature in the thermoneutral zone.

Answer 4

T

Question 5

Calcium is not needed for muscle contraction.

Answer 5

F

Question 6

The three types of muscle are skeletal, cranial, and smooth muscle.

Answer 6

F

Question 7

The parasympathetic nervous system has a synapse in the craniosacral region.

Answer 7

T

Question 8

The Frontal Plane divides the animal’s body into two mirror images.

Answer 8

F

Question 9

Active Transport does NOT always require ATP.

Answer 9

T

Question 10

The Nucleolus is the organelle responsible for rRNA synthesis and formation of ribosomal subunits.

Answer 10

T

Question 11

a group of organs that work together to perform a specific physiological function is called a tissue

Answer 11

F

Question 12

If the concentrate ration is increased, propionate production will increase and acetate production will decrease within the rumen.

Answer 12

T

Question 13

Sodium ions have a potential of -80 mV, while potassium ions have a potential of +58 mV.

Answer 13

F

Question 14

The cytoplasm is a part of the endomembrane system.

Answer 14

F

Question 15

The horse is able to survive without a gallbladder.

Answer 15

T

Question 16

A channel involves binding to molecules

Answer 16

F

Question 17

The speed of diffusion is affected by temperature

Answer 17

T

Question 18

Decreased osmotic pressure is referred to as hypoosmotic.

Answer 18

T

Question 19

The cerebral cortex in the brain is responsible for endocrine system regulation.

Answer 19

F

Question 20

An organ is a group of specialized cells whereas a tissue is a group of organs joined together to form a structural unit.

Answer 20

F

Question 21

True/False: The 3 organs considered accessory organs are the salivary glands, liver/gallbladder and the pancreas.

Answer 21

T

Question 22

Swimming is the most efficient way of locomotion in an animal.

Answer 22

T

Question 23

Mammalian enzymes can digest B[1-4 linkages]

Answer 23

F

Question 24

Poikilotherm is another term for a thermoregulating ectotherm.

Answer 24

F

Question 25

Acetylcholine hyperpolarizes when released from the post-ganglionic neuron.

Answer 25

T

Question 26

Epimysium is the layer of cells encasing entire muscle

Answer 26

T

Question 27

Motor neurons enter the spinal cord through the dorsal root (cell body in the dorsal root
ganglion).

Answer 27

F

Question 28

When determining they “why” behind physiology you are determining the mechanism.

Answer 28

F

Question 29

In regards to allosteric regulation, a non-substrate molecule binds to the enzyme making it more or less likely to bind to the substrates

Answer 29

T

Question 30

Proteins are the largest component of plasma membranes.

Answer 30

F

Question 31

Monogastrics lack the ability to digest cellulose on their own.

Answer 31

T

Question 32

ATP can be transported from a cell to another and also can be storaged in cell for a long period of time.

Answer 32

F

Question 33

The nerve and ganglion are located in PNS and the tract and nuclei are located in CNS

Answer 33

T

Question 34

Stratified squamous epithelial cells can be found in the lining of blood vessels.

Answer 34

F

Question 35

Dopamine is an example of an amine hormone.

Answer 35

T

Question 36

The plane that separates an animal into cranial and caudal regions is the median PLANE

Answer 36

F

Question 37

Skeletal muscles are surrounded by the Epimysium?

Answer 37

T

Question 38

The pilomotor response is the erection or compression or hair, while ptilomotor response is the erection or compression of feathers

Answer 38

T

Question 39

The transverse plane separates the dorsal and ventral regions.

Answer 39

F