Chapter 40: Animal Form and Function

A neuron receives nerve impulses from other neurons via its _________ and __________.

• • cell body; dendrites
    

• glia; cell body

• axon; gila

• axon; dendrites

• gila; dendrites

__________ feedback most directly maintains homeostasis because it __________.

• • Negative; tends to keep a system at a desirable “set point”
    

• • Negative; accentuates fluctuations and keeps the system from reaching equilibrium

• • Positive; keeps systems constant despite fluctuations in the external environment
    

• • Positive; magnifies deviations from the "set point"

• • None of the listed responses is correct.

Tags

NGSS.HS-LS1-3

Which of the six major types of connective tissue has a rigid matrix that contains collagen and calcium salts?

• Bone

• Fibrous Connective

• Cartilage

• Adipose

• Loose Connective

Which of the following systems is correctly paired with one of its parts?

• Endocrine system; thyroid gland

• Circulatory system; lung

• Respiratory system; heart

• Integumentary system; kidneys

• Excretory system; intestine

Tags

NGSS.HS-LS1-2

Ligaments connect ________ to ________.

• bone; bone

• muscle; tendon

• tendon; tendon

• tendon; bone

• muscle; bone

An epithelial cell with a relatively large amount of cytoplasm probably has what function?

• adsorption and secretion

• abrasion resistance

• regeneration and rapid tissue replacement

• anchorage for the basement membrane

• debris collection

Skeletal muscle is said to be “striated” because __________.

• • the arrangement of the sarcomeres gives it a striped appearance

• • the arrangement of the sarcomeres gives it a smooth appearance

• the arrangement of the nuclei gives it a striped appearance

• the intercalated disks give it a striped appearance

• None of the listed responses is correct

A physiological state of decreased activity and metabolism that is an adaptation enabling animals to save energy while avoiding difficult and dangerous conditions is known as _________.

• torpor

• hibernation

• ectothermy

• homeothermy

• homestasis

Tags

NGSS.HS-LS1-3

When a person’s body temperature increases, sweating helps bring the temperature down. This is an example of __________.

• negative feedback

• positive feedback

• hormone signaling

• stimulus

• ectothermy

Tags

NGSS.HS-LS1-3

During a fever, the __________ readjusts the set point of the body to a __________ temperature.

• hypothalamus; higher

• thyroid; lower

• hypothalamus; lower

• pineal gland; higher

• adrenal glands; lower

Tags

NGSS.HS-LS1-3