Reference no: EM133347229
Questions
1. Mechanisms that preserve acid-base homeostasis include
a. All options are correct
b. Proteins, haemoglobin, and phosphate in cells
c. HCO3- in extracellular fluid
d. Chemical buffers and the function of organs including lungs and kidneys
2. Sixty to 70% of the chemical buffering in our bodies results from
a. Respiration
b. Kidney function
c. The bicarbonate buffer system
d. Intracellular proteins
3. The quadratus femoris group consists of which muscles?
a. Vastus medialis, vastus lateralis, vastus intermedius, rectus femoris
b. Rectus femoris, gastrocnemius, vastus lateralis, adductor magnus
c. Biceps femoris, vastus medialis, brachioradialis, gracilis
d. Quadratus lumborum, illiocostalis lumborum, rectus femoris, biceps femoris
4. The sternocleidomastoid muscle's origin, insertion and actions include the:
a. spinous processes of the thoracic vertebrae - ribs 6-12, clavicle, neck extension
b. manubrium-clavicle, mastoid process, head flexion and rotation
c. intertubercular groove, humerus, elbow supination
d. spine of scapula, radial head, head flexion, lateral rotation and circumduction
5. The surface anatomy of the humerus consists of an:
a. anatomical and surgical neck, greater/lesser tubercle, deltoid tuberosity and medial/lateral epicondyles
b. anatomical head, neck, supraspinous fossa, linea aspera, radial groove, olecranon and interosseous membrane
c. anatomical head, neck, greater/lesser trochanter, linea aspera and medial/lateral epicondyles
d. anatomical neck, trapezoid, iliac crest, medial cuneiform and medial/lateral epicondyles
6. Buffers react with _______________ ions.
a. hydrogen, hydroxyl
b. sodium
c. potassium
d. magnesium, calcium
7. The very first step in an early (acute) phase response in bronchial asthma is initiated when
a. Leukocytes are released from mast cells causing inflammation
b. An antigen binds to IgE molecules on mast cells
c. Beta 2 cells are activated
d. Bronchospasm occurs due to parasympathetic receptor activation.