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A block of wood has these dimensions: length = 0.45m, width = 0.25m, height = 0.15m. It has a density of 850kg/m^3. The block is floating in a tub of water. What is the mass of the block of wood? How much extra mass would have to placed on top of the block so that the top surface of the block is even with the surface of the water?

Consider the following equation:             N2O4(g) ⇌ 2 NO2(g)    Kc = 5.8 × 10−3  If the initial concentration of N2O4(g) = 0.040 M and the initial concentration of NO2(g) is 0 M, what is the equilibrium concentration of N2O4(g)?

What can be said about the acidity of the following two salts?  HClO: Ka =3.5 x 10−8      H3PO4: Ka1 = 7.5 x 10−3, Ka2 = 6.2 x 10−8, Ka3 = 4.8 x 10−13 1. NH4ClO is [1] 2. KH2PO4 is [2]

What would be an appropriate home treatment plan for a cystic fibrosis patient?   I. Nasotracheal suctioning II. HFCWO vest III. Vibratory PEP IV. Dornase alpha (Pulmozyme)

A patient has the following EKG arrhythmia: The patient is pulseless and was shocked with 360 joules. What medications can be given to this patient?   I. Amiodarone (Cordarone) II. Epinephrine (Levophed) III. Furosemide (Lasix) IV. Propanolol (Inderal)

A 2 y/o child has been diagnosed with respiratory syncytial virus vial nasal aspirate. What should be recommended at this time?

An asthmatic patient needs to be intubated quickly, what paralytic can be given at this time?

A patient has thick retained secretions and has orders for acetylcysteine (Mucomyst). What must the respiratory care practitioner consider?   I. Adding albuterol (Ventolin) to the order II. Recommend 3 ml of 10% acetylcysteine (Mucomyst) III. Recommend 10ml of 20% acetylcysteine (Mucomyst) IV. Assess the patient for shortness of breath

A patient is diagnosed with Pneumocystic carinii, What should a respiratory therapist recommend at this time?

A patient admitted for heart failure was assessed for cardiomegaly and increased pulmonary vascular markings on a chest radiograph. The patient is in SOB and has inspiratory crackles bilaterally on auscultation. What should be recommended at this time?