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- When faced with a sudden drop in environmental temperature, an endothermic animal will .
- experience a drop in its body temperature
- wait to see if it goes lower
- increase muscle activity to generate heat
- add fur or fat to increase insulation
- How are wastes carried to the kidney for removal?
- in cells
- in the urine
- in blood
- in interstitial fluid
- What is the cause of a fever of 38.3 °C (101 °F)?
- too much heat produced by the body
- upward adjustment of the body temperature set point
- inadequate cooling mechanisms in the body
- the heat caused by a viral or bacterial infection
- Where does the majority of fat digestion take place?
- mouth
- stomach
- small intestine
- large intestine
- The bile from the liver is delivered to the .
- stomach
- liver
- small intestine
- colon
- Which of the following statements is not true?
- Essential nutrients can be synthesized by the body.
- Vitamins are required in small quantities for bodily function.
- Some amino acids can be synthesized by the body, while others need to be obtained from diet.
- Vitamins come in two categories: fat- soluble and water-soluble.
- The respiratory system .
- provides body tissues with oxygen
- provides body tissues with oxygen and carbon dioxide
- establishes how many breaths are taken per minute
- provides the body with carbon dioxide
- Which is the order of airflow during inhalation?
- nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli
- nasal cavity, larynx, trachea, bronchi, bronchioles, alveoli
- nasal cavity, larynx, trachea, bronchioles, bronchi, alveoli
- nasal cavity, trachea, larynx, bronchi, bronchioles, alveoli
- Where does the right ventricle send blood?
- the head
- the upper body
- the lungs
- the lower body
- During the systolic phase of the cardiac cycle, the heart is .
- contracting
- relaxing
- contracting and relaxing
- filling with blood
- How do arteries differ from veins?
- Arteries have thicker wall layers to accommodate the changes in pressure from the heart.
- Arteries carry blood.
- Arteries have thinner wall layers and valves and move blood by the action of skeletal muscle.
- Arteries are thin walled and are used for gas exchange.
- Most of the hormones produced by the anterior pituitary perform what function?
- regulate growth
- regulate the sleep cycle
- regulate production of other hormones
- regulate blood volume and blood pressure
- What is the function of the hormone erythropoietin?
- stimulates production of red blood cells
- stimulates muscle growth
- causes the fight-or-flight response
- causes testosterone production
- Which endocrine glands are associated with the kidneys?
- thyroid glands
- pituitary glands
- adrenal glands
- gonads
- Among other bones, the axial skeleton includes the .
- thoracic cage and vertebral column
- thoracic cage and pectoral girdle
- skull and pelvic girdle
- pectoral and pelvic girdles
- The pectoral girdle supports the
- arms
- legs
- skull
- thoracic cage
- Which component is responsible for initially stimulating a muscle contraction?
- proteins
- electrochemical signals
- plasma membranes
- striations
- What kind of muscle tissue is found surrounding the urinary bladder?
- cardiac
- skeletal
- striated
- smooth
- Neurons contain , which can receive signals from other neurons.
- axons
- mitochondria
- dendrites
- Golgi bodies
- The part of the brain that is responsible for coordination during movement is the .
- limbic system
- thalamus
- cerebellum
- parietal lobe
- Which part of the nervous system directly controls the digestive system?
- parasympathetic nervous system
- central nervous system
- spinal cord
- sensory-somatic nervous system
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