80) Which white blood cell is the first to attack foreign cells? Group of answer choices Neutrophil B Lymphocyte (B-Cell) Monocyte T Lymphocyte (T-Cell) Eosinophil 81) The internal intercostal muscles assist only in labored breathing.  Group of answer choices False True 82) What is the 1st phase of Hemostasis? Group of answer choices Coagulation Platelet Plug Formation Stroke Bleeding Vascular Spasm 83) The ____________ is the maximum amount of air that can be inhaled beyond a normal tidal inhalation. Group of answer choices RV VC ERV TV IRV

A 19-year-old male visits his primary care physician with a sore throat, swollen lymph nodes, and extreme fatigue. During the visit, the nurse finds that he has a fever. The patient reports that he is attending his second year of college at a local university. The physician performs a physical examination, which confirms large, swollen, painful lymph nodes. He decides to send the patient to the office laboratory for blood work. He orders a complete blood count (CBC) and viral and bacterial studies.     Reference Range     Reference Range WBC 13.3 × 103/uL 4.8–10.8 × 103/uL Neutrophils 40% 60%–70% RBC 4.5 × 109/L 4.7–6.1 × 109/L Lymphocytes 53% *20% of lymphocytes are atypical 20%–30% Hgb 14.1 g/dL 14–18 g/dL Monocytes 7% 5%–10% Hct 42% 42%–52% Eosinophils 0 0%–5% MCV 92 fL 80–100 fL Basophils 0 0%–2% MCH 27 pg 27–31 pg Absolute neutrophils 5.32 1.4–6.5 × 103/uL MCHC 33% 32% –36% Absolute…

can you help with number 1 This is not and will not be graded

84)Formation of erythrocytes occurs in the _______. Group of answer choices Red bone marrow Yellow bone marrow Plasma White bone marrow 85) The circulatory system has only 1 circuit that circulates blood. Group of answer choices False True 86) In the homeostatic regulation of blood oxygen levels, the effector is the ________. Group of answer choices Kidney CO2 Red Bone Marrow Blood Oxygen Levels Lungs 87) For each heart chamber the period of contraction  is called ___________________. Group of answer choices Diastole Systole