AP Flashcards
Which of the following describes the function of the ribosome? A)protein synthesis B)energy production C)cell movement D)storage of molecules
A
Because muscle cells require large amounts of energy to function correctly, which organelles would be prevalent in those types of cells? A)Ribosomes B)Mitochondria C)Cytoskeleton D)Cell membrane
B
Which of the following cells are responsible for storing genetic information? A)nucleus B)ribosomes C)cell membrane D)brain
A
In the human body, which of the following organs is in a superior position to the lungs? A)stomach B)brain C)spleen D)heart
B
Which of the following structures changes the volume of the lungs? A)alveoli B)heart C)trachea D)diaphragm
D
Which of the following statements best explains how the structure of alveoli relates to its functions?
A)alveoli are large to maximize gas exchange
B)the walls of the alveoli are thin to increase the rate of diffusion
C)the walls of the alveoli are thick to prevent pressure build-up
D)alveoli are small to increase the transportation of cells
B
Which of the following statements best describes the primary function of the respiratory system?
A)it transports oxygen and carbon dioxide to cells all over the body
B)in involves the inhalation and exhalation of gases into the environment
C)it exchanges gases between the blood and air in the environment
D)it maintains proper blood level pH
C
Which of the following conditions causes a narrowing of airways in the respiratory system? A)influenza B)bronchitis C)asthma D)pneumonia
C
Describe what will occur in the blood if the tidal volume in the lungs increases.
^ TIDAL VOLUME
^ DIFFUSION
Which of the following lists the primary parts of the heart? A)blood cells B)muscle tissue split into two chambers C)muscle tissue split into four chambers D)four ventricles
C
Which of the following blood components is responsible for transporting oxygen? A)rbcs B)plasma C)dissolved gases D)leukocytes
A
Which of the following chambers pumps blood towards the lungs? A)left atrium B)right atrium C)left ventricle D)right ventricle
D
In which of the following organs does digestion begin? A)mouth B)stomach C)small intestine D)pancreas
A
In which of the following organs does the breakdown of proteins begin? A)mouth B)stomach C)small intestine D)pancreas
B
Which of the following structures absorbs nutrients in the small intestine? A)mucus B)microvilli C)enzymes D)hormones
B
Which of the following statements best describes peristalsis?
A)the partly digested food moving from the stomach to the small intestine
B)the mechanical breakdown of food entering the stomach
C)muscle contractions that move food entering the digestive tract
D)chemical digestion of food with the help of enzymes
C
Which of the following organs produce gametes? A)ovary B)testes C)prostate D)uterus
A
Which of the following best describes one function of estrogen? A)production of sperms cells B)maturation of eggs C)release of an egg D)fertilization
B
Which of the following does not result from the production of the luteinizing hormone (LH) in males? A)bone growth B)facial hair growth C)testosterone production D)sperm produciton
A
Which of the following best describes the kind of messages sent in the endocrine system?
A)electrical signals between axons
B)chemical signals that travel through the bloodstream
C)physical sensory signals received through the integumentary system
D)audiovisual systems processed through the brain
B