Ch. 1 The Human Body: An Orientation

In a negative feedback mechanism

• the effect damages the body.

• the physiological function is maintained within a range.

• the response of the effector is to depress the stimulus.

• the response of the effector is to enhance the stimulus.

Which of the following isn't essential for survival?

• Oxygen

• Water

• Gravity

• Nutrients

Levels of increasing complexity go from chemical, cellular, tissue, organ, systemic, and organismal.

• True

• False

Which of the following is not involved in homeostasis?

• Receptor

• Lack of change.

• Effector

• Control center

A coronal plane through the head:

• could pass through the nose and the occipital region.

• could lie in a horizontal plane.

• must pass through the mouth.

• could pass through both ears.

The dorsal part of the body is also its:

• lateral aspect.

• anterior surface.

• posterior surface.

• superior aspect.

Which of the following wouldn't be cut by a section through the midsagittal plane of the body?

• Urinary bladder

• Heart

• Gallbladder

• Small intestines.

Sweat glands producing sweat during a race would be part of which feedback system?

• Control center

• Effectors

• Stimulus

• Receptors

Which of the following statements is correct?

• The axillary region is lateral to the sternal region.

• The femoral region is inferior to the tarsal region.

• The orbital region is inferior to the buccal region.

• The crural region is posterior to the sural region.

When a neurosurgeon orders a spinal tap for lab analysis, what body cavity will the needle be inserted?

• Inguinal

• Ventral

• Cranial

• Dorsal