Principles of Biology Quiz 5

Question 1 3.2 out of 3.2 points What is the name of a contractile unit of a muscle? Selected Answer: sarcomere  Question 2 3.2 out of 3.2 points The role of the ___________ branch of the autonomic nervous system mediates control of organ processes when the body is essentially ______. Selected Answer: parasympathetic, at rest  Question 3 3.2 out of 3.2 points Which of the following is not an element of the spinal reflex arc? Selected Answer: brain interneuron  Question 4 3.2 out of 3.2 points Which of the following is part of the human digestive system, correctly matched to the role it plays in the digestion process? Selected Answer: stomach: a muscular organ the receives and temporarily stores food  Question 5 3.2 out of 3.2 points Systolic blood pressure: Selected Answer: a) and c)  Question 6 3.2 out of 3.2 points Your adaptive immune response has all of the following characteristics except that it is not Selected Answer: constitutive (always present from birth till death).  Question 7 3.2 out of 3.2 points In the basic structure of the human heart, blood first flows through the right atrium, then it travels to the: Selected Answer: right ventricle  Question 8 3.2 out of 3.2 points When a vaccine is given to a person with a healthy immune system, the result is Selected Answer:  production of immunologic memory specific for the pathogen parts in the vaccine. Question 9 3.2 out of 3.2 points While waiting for a signal to contract, a muscle cell membrane maintains a slightly higher positive charge on the _______ only because ________ are available to generate this difference. Selected Answer: outside, Na-K-ATPase pumps  Question 10 3.2 out of 3.2 points The hepatic portal vein forms from capillary beds in ______________ and leads to a second set of capillary beds in ______________. Selected Answer: the small intestine, the liver  Question 11 3.2 out of 3.2 points Which of the following brain regions and their functions are improperly matched? Selected Answer: medulla – analytical thought, vision  Question 12 3.2 out of 3.2 points The function of the ureter is to Selected Answer: carry urine from the site of formation to the site of storage.  Question 13 3.2 out of 3.2 points Which of the following sequences would best describe how a signal moves through a reflex arc? Selected Answer: sensory receptor>>sensory neuron>>motor neuron>>effector muscle  Question 14 3.2 out of 3.2 points The ___________ lining your bronchial passages entrain microbes carrying them away to your acid-laden stomach where they will die. Selected Answer: mucous membranes  Question 15 3.2 out of 3.2 points The efferent or motor branch of the peripheral nervous system is subdivided into the ______ (voluntary) and ____________ (involuntary) nervous systems. Selected Answer: somatic, autonomic  Question 16 3.2 out of 3.2 points Which of the following is part of the human digestive system, correctly matched to the role it plays in the digestion process? Selected Answer:  large intestine: tubular organ that receives indigestible chyme and absorbs water Question 17 3.2 out of 3.2 points Which of the following is part of the human digestive system, correctly matched to the role it plays in the digestion process? Selected Answer: liver: an accessory organ that processes and stores glycogen  Question 18 3.2 out of 3.2 points The nervous system interacts with the ___________ system to coordinate the internal integration of all the other body systems together. Selected Answer: endocrine  Question 19 3.2 out of 3.2 points The function of the kidney is Selected Answer: all of the above  Question 20 3.2 out of 3.2 points As a student runs up a flight of stairs, her integumentary system serves her by Selected Answer: providing moisture for evaporation to moderate her body temperature.  Question 21 3.2 out of 3.2 points The calcium-binding protein in smooth muscle is _______; while the calcium-binding protein in skeletal muscle is ______. Selected Answer: calmodulin, troponin  Question 22 3.2 out of 3.2 points Which of the following is a type of neuron that receives a stimulus and transmits it to the central nervous system? Selected Answer: sensory neuron  Question 23 3.2 out of 3.2 points Which structure within the brain has the role of generating emotions? Selected Answer: limbic system  Question 24 3.2 out of 3.2 points As a student runs up a flight of stairs, the first system needed to support the activities of the muscular system would be the _________ system. Selected Answer: cardiovascular  Question 25 3.2 out of 3.2 points Vaccination works because Selected Answer: our immune system remembers the same foreign entity if we are reinfected with it.