Old Exam Flashcards
When a mammalian cell is at rest which of the following is true?
a. The inside of the cell has an electronegative charge
b. There is more Na+ outside the cell than inside
c. K+ ions are predominately inside the cell
d. It requires oxygen to remain viable
e. All of the above
e. All of the above
The stratum basale/ germinativum is comprised mainly of:
a. Living keratinocytes
b. Living melanocytes
c. Dead keratinocytes debris and extracellular keratin
d. Dead melanocytes and extracellular melanin
e. Adipocytes
a. Living keratinocytes
Which of the following is true:
a. The plasma membrane is comprised of DNA
b. The plasma membrane contains ion channels
c. All cells types in an animal have the same “transcriptome”
d. All cell types in an animal have the same number of chromosomes
e. Blood is an example of epithelial tissue
b. The plasma membrane contains ion channels
If Na+ channels on a resting muscle cell were to open
a. Na+ would flow out of the cell
b. The cell would stop using ATP
c. The concentration gradient would forge Na+ into the cell
d. The electrical gradient would attract Na+ into the cell
e. Both C & D are correct
e. Both C & D are correct
Which of these organelles is most responsible for steroid synthesis:
a. Mitochondria
b. Golgi
c. Rough Endoplasmic Reticulum
d. Peroxisome
e. Smooth Endoplasmic Reticulum
e. Smooth Endoplasmic Reticulum
Which of these is true
a. A red blood cell in hypotonic solution will burst as water rushes into the cell
b. A red blood cell in isotonic solution will burst as water rushes into the cell
c. Reticular layer of the dermis contains no blood vessels
d. All cells have the same numbers of each organelles
e. Cattle and all Mammals have to maintain their water content to less than 20%
a. A red blood cell in hypotonic solution will burst as water rushes into the cell
The best term for morphology that is visible with the naked eye is:
a. Subatomic physiology
b. Macroscopic anatomy
c. Microscopic physiology
d. Macroscopic physiology
e. Microscopic anatomy
b. Macroscopic anatomy
A melanocyte is a:
a. Cell in the skin that makes melanin
b. Cell in the epidermis that has immune function
c. Vesicle in a cell that contains oxidases and catalases
d. Precursor to all integumentary cells
e. All of the above are false
a. Cell in the skin that makes melanin
Which of these connects bone to bone
a. Peritonea ligament
b. True ligament
c. Elastic cartilage
d. Tendon
e. Nerve cells
b. True ligament
Which of the following is true:
a. The epidermis is the same thickness over the entire surface of the animal
b. The epidermis is a major site of fat storage
c. The epidermis and dermis of the integument are separated by subcutaneous tissue
d. The epidermis contains many nerves and sensory structures
e. The epidermis is avascular
e. The epidermis is avascular
Which of these statements are true
a. A myofibril is another name for a muscle cell
b. A substance that binds to a receptor with specificity is a “ligand”
c. Ions move from regions of low concentration to regions of high concentrations by diffusion
d. All of the above
b. A substance that binds to a receptor with specificity is a “ligand”
Active transport is important for:
a. Concentrating ions across an impermeable or selectively permeable membrane
b. Generating ATP
c. Oxygen to enter a cell
d. Passive movement of permeable solutes from regions of high concentration to a low concentration
e. None of the above
a. Concentrating ions across an impermeable or selectively permeable membrane
A term that means; maintaining a desirable range for a physiological parameter:
a. Pathology
b. Emulsification
c. Homeorrhesis
d. Homeostatic
e. Heterogeneous
c. Homeorrhesis
A cell junction that allows cytoplasm to be shared between adjacent cells is:
a. Gap junction
b. Desmosome junction
c. Tight junction
d. Interstate junction
e. Hemi-desmosome junction
a. Gap junction
Mineralized bone matrix (ground substance) is:
a. Garnulosum
b. Sarcoplasm
c. Marrow
d. Hydroxyapatite
e. All of the above
d. Hydroxyapatite
The branch of metabolism that best represents breakdown of large macromolecules is:
a. Capitalism
b. Cannibalism
c. Anabolism
d. Catabolism
e. Incrediblism
d. Catabolism
The anatomical structure that mechanically assists large grazing animals to lift their head is:
a. Pubis
b. Ligamentum nuchae
c. Gutteral pouch
d. Epiglottis
e. None of the above
b. Ligamentum nuchae
The type of sweat gland that matures and becomes active under the influence of steroids is:
a. Sebaceous
b. Anogenital
c. Submental
d. Apocrine
e. Eccrine
d. Apocrine
The hormone “relaxin” softens which type of connective tissue that allows expansion of the pubis for birthing
a. Hyaline cartilage
b. Suspensory ligaments
c. Tendons
d. Fibrocartilage
e. Elastic cartilage
d. Fibrocartilage
Which of these is a “positive feedback” mechanism
a. Induction of release of oxytocin by hypothalamus following uterine contraction during birth
b. Initiation of sweating when exercising
c. Shivering thermogenesis when cold
d. Moving to shade when overheated
e. All of the above
a. Induction of release of oxytocin by hypothalamus following uterine contraction during birth
The forelimb is part of what subdivision of the skeletal system:
a. Cranium
b. Axial
c. Linear
d. Appendicular
e. Central
d. Appendicular
The striated muscle structure that runs from one z-disc to the next z-disc is called:
a. Sarcomere
b. H-zone
c. M-line
d. Sarcolemma
e. Motor Neuron
a. Sarcomere
The fluid contained within capsules (bursa) of articulating joints is:
a. Synovial fluid
b. Osteoid
c. Saliva
d. Blood
e. Caprice acid
a. Synovial fluid
The A-band in skeletal muscle is predominately which myofilament:
a. G-Actin
b. F-Actin
c. Tropomyosin
d. Myosin
e. Titin
d. Myosin
A young immature long bone is most likely to contain
a. Epiphyseal line
b. Yellow Marrow
c. Epiphyseal growth plate
d. A & B
e. Blood clots
c. Epiphyseal growth plate
List the four tissue types:
Connective
Muscle
Epithelial
Neural
The connective tissue that surrounds muscle bundles (fascicles) is _____.
Perimysium
True or False
Dr. Murdoch has never broken a bone
False
Which of these is False:
a. Anatomy in the study of structure
b. Physiology is the study of function
c. Your brain contains nerve cells
d. Cattle are quadrupeds
e. Dr. Murdoch does not care if you cheat in his course.
e. Dr. Murdoch does not care if you cheat in his course.
